Home / 66,017,970.80-98,837,999.40-58,459,698.80

Finding the Fourth Proportional to 66,017,970.80, 98,837,999.40 and 58,459,698.80

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Solution

The fourth proportional to 66,017,970.80, 98,837,999.40 and 58,459,698.80 is: 87,522,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,017,970.80 : 98,837,999.40 = 58,459,698.80 : x
  2. Step 2: Convert to fraction form
    66,017,970.80/98,837,999.40 = 58,459,698.80/x
  3. Step 3: Cross multiply
    66,017,970.80x = 98,837,999.40 × 58,459,698.80
  4. Step 4: Simplify right side
    66,017,970.80x = 5,778,039,674,918,581
  5. Step 5: Solve for x
    x = 5,778,039,674,918,581/66,017,970.80
  6. Step 6: Final answer
    x = 87,522,224.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.